| Chromium Steels |
|
| JIS G 4104 |
|
| Chemical Composition, % |
|
| Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
| SCr 415 |
.13/.18 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| SCr 420 |
.18/.23 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| SCr 430 |
.28/.33 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| SCr 435 |
.33/.38 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| SCr 440 |
.38/.43 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| SCr 445 |
.43/.48 |
.15/.35 |
.60/.85 |
.030 max |
.030 max |
.90/1.20 |
|
| NOTE: | As impurities, Ni and Cu shall not exceed 0.25% and 0.30%, respectively, for all grades. |
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